Count on and back for 1s and 10s - 3-digit number

When skip counting by 10s, what number comes after 300?

• 290

• 301

• 310

Count by 10's. What pattern is right?

• 100, 200, 250, 500

• 900, 901, 902, 903

• 107, 117, 127, 137

Count by 1's. What pattern is right?

• 100, 200, 250, 500

• 900, 901, 902, 903

• 117, 127, 137, 147

Count by 10's. What number comes next?

61, 71, 81, 91, ____?

• 92

• 101

• 111

Count in 1s: Which number comes after 791?

• 792

• 891

• 801

Count in 10s: Which number comes before 124?

• 114

• 134

• 123

Count in 10s: Which number comes after 124?

• 114

• 134

• 123

Count by 1's. What number comes next?

320, 321, ____?

• 323

• 322

• 221

What is the missing number in the series below?

(a)   , 410, 420, 430, 440, 450.

Note: Write your answer in numerals only. Do not put space between the numbers.

What is the missing number in the series below?

209, 210, (a)   , 212, 213, 214.

Note: Write your answer in numerals only. Do not put space between the numbers.